SAP Function _CCS_CHAT_SESS_CONFERENCE - a user A adds a user B into an existing chat session

Parameter	Reference	Type	Length	Default	Optional	Text
_CHAT_LINE_ID	STRING	g	0
_CHAT_SESSION_ID	STRING	g	0
_NEW_CHAT_LINE_ID	STRING	g	0

Exception	Text
CCS_ICI_EXCEPTION